Home / 14,713.89-20,309.28-9,049.56

Finding the Fourth Proportional to 14,713.89, 20,309.28 and 9,049.56

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Solution

The fourth proportional to 14,713.89, 20,309.28 and 9,049.56 is: 12,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.89 : 20,309.28 = 9,049.56 : x
  2. Step 2: Convert to fraction form
    14,713.89/20,309.28 = 9,049.56/x
  3. Step 3: Cross multiply
    14,713.89x = 20,309.28 × 9,049.56
  4. Step 4: Simplify right side
    14,713.89x = 183,789,988.72
  5. Step 5: Solve for x
    x = 183,789,988.72/14,713.89
  6. Step 6: Final answer
    x = 12,490.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.